Home / 3,977.80-5,966.73-1,056.10

Finding the Fourth Proportional to 3,977.80, 5,966.73 and 1,056.10

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Solution

The fourth proportional to 3,977.80, 5,966.73 and 1,056.10 is: 1,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.80 : 5,966.73 = 1,056.10 : x
  2. Step 2: Convert to fraction form
    3,977.80/5,966.73 = 1,056.10/x
  3. Step 3: Cross multiply
    3,977.80x = 5,966.73 × 1,056.10
  4. Step 4: Simplify right side
    3,977.80x = 6,301,463.55
  5. Step 5: Solve for x
    x = 6,301,463.55/3,977.80
  6. Step 6: Final answer
    x = 1,584.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.